On 3 Apr 2002 14:32:40 -0500, Warp <war### [at] tagpovrayorg> wrote:
>  The paramters to a macro are passed by reference, not by value.

I said it at first post in this thread. Hovewer this could be described somehow
in documentation.

ABX
--
disc{z,-z#macro O()asc(substr("-+((1*(,1,/.-,*/(,&.323/'1"e,1))*.1-4#declare
e=e-1;#end#local e=26;5pigment{#local g=function(_){ceil(_)-_}function#local
k=function{pattern{object{sphere_sweep{linear_spline 13#while(e)<O(),O()//35
>.01#end}}}}{k(g(atan2(x,y)),g(ln((y+x)^2+1e-5)),0)}}finish{ambient 1}}//ABX

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